Granted Patent
Utility
US 5,760,870 · App. 08/829,784
Rotationally stabilized contact lens and methods of lens stabilization
Inventors:
Rick Payor, Xiaoxiao Zhang, Lewis Williams, Gary S. Lafferty, Sr.
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Mar 31, 1997
Inventors
Rick Payor
Xiaoxiao Zhang
Lewis Williams
Gary S. Lafferty, Sr.
Assignee (at issue)
CIBA Vision Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.